public void put(Object x) throws InterruptedException {
if (x == null) throw new IllegalArgumentException();
if (Thread.interrupted()) throw new InterruptedException();
putGuard_.acquire();
try {
insert(x);
takeGuard_.release();
} catch (ClassCastException ex) {
putGuard_.release();
throw ex;
}
}
public Object take() throws InterruptedException {
if (Thread.interrupted()) throw new InterruptedException();
takeGuard_.acquire();
try {
Object x = extract();
putGuard_.release();
return x;
} catch (ClassCastException ex) {
takeGuard_.release();
throw ex;
}
}